var n,i,p1,p3:int64;
    f,g:text;
function alabmodc(a,b:int64):int64;
var aux:int64;
begin
if b=1 then alabmodc:=a
       else if b and 1=1 then alabmodc:=(alabmodc(a,b-1)*a)
                         else begin
                               aux:=alabmodc(a,b div 2);
                               alabmodc:=(aux*aux);
                               end;
end;
begin
assign(f,'patrate2.in'); reset(f);
readln(f,n); close(f);
p1:=1;
for i:=2 to n do
p1:=p1*i;
p3:=p1*alabmodc(2,n*n);
assign(g,'patrate2.out'); rewrite(g);
writeln(g,p3);
close(g);
end.